CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 01, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 26,636	$ 28,780
Accounts receivable, net of allowance for doubtful accounts of $4,447 and $4,344	322,388	374,273
Prepaid expenses, deposits and other current assets	22,424	20,605
Income tax receivable	7,382	4,621
Total current assets	378,830	428,279
Property and equipment, net	57,142	60,163
Restricted cash and investments	242,766	239,231
Deferred income taxes, net	2,414	3,783
Goodwill	224,099	226,694
Intangible assets, net	99,369	104,615
Other assets, net	49,331	46,266
Total assets	1,053,951	1,109,031
Current liabilities:
Accounts payable and other accrued expenses	51,296	55,091
Accrued wages and benefits	66,903	76,894
Current portion of workers’ compensation claims reserve	75,692	77,218
Other current liabilities	3,862	3,216
Total current liabilities	197,753	212,419
Workers’ compensation claims reserve, less current portion	194,052	197,105
Long-term debt, less current portion	69,621	116,489
Long-term deferred compensation liabilities	22,458	21,866
Other long-term liabilities	6,131	6,305
Total liabilities	490,015	554,184
Commitments and contingencies (Note 8)
Shareholders’ equity:
Preferred stock, $0.131 par value, 20,000 shares authorized; No shares issued and outstanding	0	0
Common stock, no par value, 100,000 shares authorized; 41,334 and 41,098 shares issued and outstanding	1	1
Accumulated other comprehensive loss	(9,713)	(6,804)
Retained earnings	573,648	561,650
Total shareholders’ equity	563,936	554,847
Total liabilities and shareholders’ equity	$ 1,053,951	$ 1,109,031

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.